/// <summary>
/// Creates an exploration unit that is responsible for exploring the provided location.
///
/// This explorer is set as part of the provided team.
/// </summary>
/// <param name="crew">The team of explorers this explorer will belong to.</param>
protected Explorer(ExplorationTeam crew)
{
ExplorationUnit = crew ?? throw new ArgumentNullException(nameof(crew), "Exploration unit cannot be null.");
DeploymentZoneChart = crew.DeploymentZoneChart;
}
/// <summary>
/// A specific kind of explorer that can navigate around many different deployment zones that humans otherwise
/// could not.
/// </summary>
/// <param name="crew">The team this rover is assigned to.</param>
public Rover(ExplorationTeam crew) :
base(crew)
{
_roverMovementActions = new Dictionary <Movement, Action> {
{ Movement.Left, () => _roverRotateLeftActions[Heading].Invoke() },
{ Movement.Right, () => _roverRotateRightActions[Heading].Invoke() },
{ Movement.Forward, () => _roverMoveForwardActions[Heading].Invoke() }
};
_roverRotateLeftActions = new Dictionary <Heading, Action> {
{ Heading.North, () => Heading = Heading.West },
{ Heading.South, () => Heading = Heading.East },
{ Heading.East, () => Heading = Heading.North },
{ Heading.West, () => Heading = Heading.South }
};
_roverRotateRightActions = new Dictionary <Heading, Action> {
{ Heading.North, () => Heading = Heading.East },
{ Heading.South, () => Heading = Heading.West },
{ Heading.East, () => Heading = Heading.South },
{ Heading.West, () => Heading = Heading.North }
};
_roverMoveForwardActions = new Dictionary <Heading, Action> {
{
Heading.North, () => {
var nextPosition = new Position(Position.X, Position.Y + 1);
if (IsPositionAvailable(nextPosition))
{
Position = nextPosition;
}
else
{
Console.WriteLine("The position " + nextPosition + " is not avaiable. " +
"Skipping movement action.");
}
}
}, {
Heading.South, () => {
var nextPosition = new Position(Position.X, Position.Y - 1);
if (IsPositionAvailable(nextPosition))
{
Position = nextPosition;
}
else
{
Console.WriteLine("The position " + nextPosition + " is not avaiable. " +
"Skipping movement action.");
}
}
}, {
Heading.East, () => {
var nextPosition = new Position(Position.X + 1, Position.Y);
if (IsPositionAvailable(nextPosition))
{
Position = nextPosition;
}
else
{
Console.WriteLine("The position " + nextPosition + " is not avaiable. " +
"Skipping movement action.");
}
}
}, {
Heading.West, () => {
var nextPosition = new Position(Position.X - 1, Position.Y);
if (IsPositionAvailable(nextPosition))
{
Position = nextPosition;
}
else
{
Console.WriteLine("The position " + nextPosition + " is not avaiable. " +
"Skipping movement action.");
}
}
}
};
}